[Cronet] Fix up log TAGs to be accurate and prevent future inaccuracies.

components/cronet/android/java/src/org/chromium/net/urlconnection/CronetHttpURLConnection.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.net.urlconnection;
 
 import android.util.Pair;
 
 import org.chromium.base.Log;
 import org.chromium.net.CronetEngine;
@@ skipping 16 matching lines @@
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 
 /**
  * An implementation of {@link HttpURLConnection} that uses Cronet to send
  * requests and receive responses.
  * {@hide}
  */
 public class CronetHttpURLConnection extends HttpURLConnection {
-    private static final String TAG = "cr_CronetHttpURLConn";
+    private static final String TAG = "cr." + CronetHttpURLConnection.class.getSimpleName();
     private static final String CONTENT_LENGTH = "Content-Length";
     private final CronetEngine mCronetEngine;
     private final MessageLoop mMessageLoop;
     private UrlRequest mRequest;
     private final List<Pair<String, String>> mRequestHeaders;
 
     private CronetInputStream mInputStream;
     private CronetOutputStream mOutputStream;
     private UrlResponseInfo mResponseInfo;
     private UrlRequestException mException;
@@ skipping 549 matching lines @@
             // Strips Content-Encoding response header. See crbug.com/592700.
             if (!entry.getKey().equalsIgnoreCase("Content-Encoding")) {
                 mResponseHeadersList.add(
                         new AbstractMap.SimpleImmutableEntry<String, String>(entry));
             }
         }
         mResponseHeadersList = Collections.unmodifiableList(mResponseHeadersList);
         return mResponseHeadersList;
     }
 }